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/*
 * GWT-Ext Widget Library
 * Copyright 2007 - 2008, GWT-Ext LLC., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
 

package com.gwtext.tutorials.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.gwtext.client.core.EventObject;
import com.gwtext.client.data.*;
import com.gwtext.client.widgets.PagingToolbar;
import com.gwtext.client.widgets.Panel;
import com.gwtext.client.widgets.ToolTip;
import com.gwtext.client.widgets.form.Field;
import com.gwtext.client.widgets.form.NumberField;
import com.gwtext.client.widgets.form.event.FieldListenerAdapter;
import com.gwtext.client.widgets.grid.ColumnConfig;
import com.gwtext.client.widgets.grid.ColumnModel;
import com.gwtext.client.widgets.grid.GridPanel;
import com.gwtextux.client.data.PagingMemoryProxy;

public class LocalPagingSample implements EntryPoint {

    public void onModuleLoad() {
        Panel panel = new Panel();
        panel.setBorder(false);
        panel.setPaddings(15);

        PagingMemoryProxy proxy = new PagingMemoryProxy(getCompanyData());
        RecordDef recordDef = new RecordDef(
                new FieldDef[]{
                        new StringFieldDef("company"),
                        new FloatFieldDef("price"),
                        new FloatFieldDef("change"),
                        new FloatFieldDef("pctChange"),
                        new DateFieldDef("lastChanged", "n/j h:ia"),
                        new StringFieldDef("symbol"),
                        new StringFieldDef("industry")
                }
        );

        ArrayReader reader = new ArrayReader(recordDef);
        final Store store = new Store(proxy, reader, true);

        ColumnConfig[] columns = new ColumnConfig[]{
                //column ID is company which is later used in setAutoExpandColumn
                new ColumnConfig("Company", "company", 160, true, null, "company"),
                new ColumnConfig("Price", "price", 35),
                new ColumnConfig("Change", "change", 45),
                new ColumnConfig("% Change", "pctChange", 65),
                new ColumnConfig("Last Updated", "lastChanged", 65),
                new ColumnConfig("Industry", "industry", 60, true)
        };

        ColumnModel columnModel = new ColumnModel(columns);

        GridPanel grid = new GridPanel();
        grid.setStore(store);
        grid.setColumnModel(columnModel);

        grid.setFrame(true);
        grid.setStripeRows(true);
        grid.setAutoExpandColumn("company");
        grid.setWidth(600);
        grid.setHeight(250);
        grid.setTitle("Grid that pages Local / In-Memory data");
        grid.setAutoExpandColumn("company");

        final PagingToolbar pagingToolbar = new PagingToolbar(store);
        pagingToolbar.setPageSize(5);
        pagingToolbar.setDisplayInfo(true);
        pagingToolbar.setDisplayMsg("Displaying companies {0} - {1} of {2}");
        pagingToolbar.setEmptyMsg("No records to display");

        NumberField pageSizeField = new NumberField();
        pageSizeField.setWidth(40);
        pageSizeField.setSelectOnFocus(true);
        pageSizeField.addListener(new FieldListenerAdapter() {
            public void onSpecialKey(Field field, EventObject e) {
                if (e.getKey() == EventObject.ENTER) {
                    int pageSize = Integer.parseInt(field.getValueAsString());
                    pagingToolbar.setPageSize(pageSize);
                }
            }
        });

        ToolTip toolTip = new ToolTip("Enter page size");
        toolTip.applyTo(pageSizeField);

        pagingToolbar.addField(pageSizeField);
        grid.setBottomToolbar(pagingToolbar);
        store.load(0, 5);

        panel.add(grid);

        RootPanel.get().add(panel);
    }

    private Object[][] getCompanyData() {
        return new Object[][]{
                new Object[]{"3m Co", new Double(71.72), new Double(0.02),
                        new Double(0.03), "9/1 12:00am", "MMM", "Manufacturing"},
                new Object[]{"Alcoa Inc", new Double(29.01), new Double(0.42),
                        new Double(1.47), "9/1 12:00am", "AA", "Manufacturing"},
                new Object[]{"Altria Group Inc", new Double(83.81), new Double(0.28),
                        new Double(0.34), "9/1 12:00am", "MO", "Manufacturing"},
                new Object[]{"American Express Company", new Double(52.55), new Double(0.01),
                        new Double(0.02), "9/1 12:00am", "AXP", "Finance"},
                new Object[]{"American International Group, Inc.", new Double(64.13), new Double(0.31),
                        new Double(0.49), "9/1 12:00am", "AIG", "Services"},
                new Object[]{"AT&T Inc.", new Double(31.61), new Double(-0.48),
                        new Double(-1.54), "9/1 12:00am", "T", "Services"},
                new Object[]{"Boeing Co.", new Double(75.43), new Double(0.53),
                        new Double(0.71), "9/1 12:00am", "BA", "Manufacturing"},
                new Object[]{"Caterpillar Inc.", new Double(67.27), new Double(0.92),
                        new Double(1.39), "9/1 12:00am", "CAT", "Services"},
                new Object[]{"Citigroup, Inc.", new Double(49.37), new Double(0.02),
                        new Double(0.04), "9/1 12:00am", "C", "Finance"},
                new Object[]{"E.I. du Pont de Nemours and Company", new Double(40.48), new Double(0.51),
                        new Double(1.28), "9/1 12:00am", "DD", "Manufacturing"}
        };
    }
}
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